56749420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31181}}^1$

素因数の和:31210

約数の個数: 48

約数和(自身を含む): 146680128

約数和(自身を除く): 89930708

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 31181, 62362, 124724, 155905, 218267, 311810, 405353, 436534, 623620, 810706, 873068, 1091335, 1621412, 2026765, 2182670, 2837471, 4053530, 4365340, 5674942, 8107060, 11349884, 14187355, 28374710, 56749420]

約数ペア:

[(1, 56749420), (2, 28374710), (4, 14187355), (5, 11349884), (7, 8107060), (10, 5674942), (13, 4365340), (14, 4053530), (20, 2837471), (26, 2182670), (28, 2026765), (35, 1621412), (52, 1091335), (65, 873068), (70, 810706), (91, 623620), (130, 436534), (140, 405353), (182, 311810), (260, 218267), (364, 155905), (455, 124724), (910, 62362), (1820, 31181)]